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Browsing by Author "Sherin Thomas"

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Effect of coupling agent on the thermal and dielectric properties of PTFE/Sm2Si2O7 composites

Sherin Thomas; Sujith Raman; Mohanan, P; Sebastian, M T (Elsevier, 2010-04-16)

The present study investigates the dielectric and thermal properties of PTFE/Sm2Si2O7 composites. The composites were prepared by powder processing technique followed by hot pressing. The variation of the dielectric ...
Effect of filler content on the dielectric properties of PTFE/ZnAl2O4-TiO2 composites

Sherin Thomas; Deepu, V N; Mohanan, P; Sebastian, M T (Wiley, 2008)

ZnAl2O4-TiO2 (ZAT)/polytetrafluoroethylene (PTFE) composites were prepared by powder processing method. The structure and microstructure of the composites were analyzed using X-ray diffraction and scanning electron microscopic ...
Microwave dielectric properties and low temperature sintering of Sm2Si2O7 ceramic for substrate applications

Renjini, S N; Sherin Thomas; Sebastian, M T; Kiran, S R; Murthy, V R K (Wiley, 2009)

The Sm2Si2O7 ceramics were synthesized by solid-state ceramic route. The calcination and sintering temperature of Sm2Si2O7 were optimized for the best properties. The crystal structure and microstructure of the ceramic ...
Microwave dielectric properties of Co2La4Ti3Si4O22 ceramics

Chameswary, J; Sherin Thomas; Sebastian, M T (Wiley, 2010)

Co2La4Ti3Si4O22 ceramic was synthesized by the conventional solid-state ceramic route. The structure and microstructure of the sintered ceramics were characterized by X-ray diffraction (XRD) and scanning electron microscopic ...
Microwave dielectric properties of SrRE4Si3O13 (RE5La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Er, Tm, Yb, and Y) ceramics

Sherin Thomas; Sebastian, M T (Wiley, 2009)

The apatite type SrRE4Si3O13 (RE=La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Er, Tm, Yb, and Y) ceramics have been prepared by the conventional solid-state ceramic route. The phase purity and surface morphology of the sintered ceramics ...
Preparation, Characterization and Properties of Sm2Si2O7 Loaded Polymer Composites for Microelectronic Applications

Sherin Thomas; Deepu, V; Uma, S; Mohanan, P; Philip, J; Sebastian, M T (Elsevier, 2009-07-15)

The dielectric and thermo - mechanical properties of Sm2Si2O7 filled polyethylene and polystyrene composites for microwave packaging applications are reported in this paper. The composites were synthesized by melt mixing ...
Structure, microstructure, and microwave dielectric properties of (Sr2-xCax)(MgTe)O-6 double perovskites

Ubic, R; Letourneau, S; Sherin Thomas; Subodh, G; Sebastian, M T (American Chemical Society, 2010)

Sr2-xCaxMgTeO6 (0 <= x <= 2) ceramics were prepared by the solid-state ceramic route. Structure and microstructure of the compounds were investigated using XRD, TEM, and SEM methods. The system undergoes a transition from ...
Tailoring the microwave dielectric properties of MgNb2O6 and Mg4Nb2O9 ceramics

Abdul Khalam, L; Sherin Thomas; Sebastian, M T (Wiley, 2007)

The columbites MgNb2O6, MgTa2O6, and corundum-type Mg4Nb2O9 ceramics were prepared by the conventional solid-state ceramic route. The structure and microstructure of the sintered samples were investigated by X-ray diffraction ...
Temperature-stable and low-loss dielectrics in the Ca(B ' Ta-1/2(1/2))O-3 [B ' = lanthanides, Y, and In] system

Abdul Khalam, L; Sherin Thomas; Sebastian, M T (Wiley, 2007)

The Ca(B'Ta-1/2(1/2))O-3 [B' = La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Y, Er, Yb, and In] double perovskite-type ceramics have been prepared by the conventional solid-state ceramic route. The phase purity and surface morphology ...

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